装卸货设备 meaning in Chinese

cargo handling appliance
cargo-handling facilities
handling facilities

The term air draught should be construed carefully : if the ship is in a river or an estuary , it usually refers to maximum mast height for passing under bridges , while on the berth it usually refers to the height available or required under the loader or unloaders
水上高度应仔细考虑到：船舶在内河或河口空船吃水通常指过桥时桅杆的最大高度，船舶在泊位是通常指有效的或要求的在装卸货设备的高度。